; RUN: opt -passes=objc-arc -S < %s | FileCheck %s ; Generated by compiling: ; ; id baz(ptr X) { return (__bridge_transfer id)X; } ; ; void foo(id X) { ; ptr Y = 0; ; if (X) ; Y = (__bridge_retained ptr)X; ; baz(Y); ; } ; ; clang -x objective-c -mllvm -enable-objc-arc-opts=0 -fobjc-arc -S -emit-llvm test.m ; ; And then hand-reduced further. declare ptr @llvm.objc.autoreleaseReturnValue(ptr) declare ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue(ptr) declare ptr @llvm.objc.retain(ptr) declare void @llvm.objc.release(ptr) define void @foo(ptr %X) { entry: %0 = tail call ptr @llvm.objc.retain(ptr %X) %tobool = icmp eq ptr %0, null br i1 %tobool, label %if.end, label %if.then if.then: ; preds = %entry %1 = tail call ptr @llvm.objc.retain(ptr nonnull %0) br label %if.end if.end: ; preds = %if.then, %entry %Y.0 = phi ptr [ %1, %if.then ], [ null, %entry ] %2 = tail call ptr @llvm.objc.autoreleaseReturnValue(ptr %Y.0) %3 = tail call ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue(ptr %2) tail call void @llvm.objc.release(ptr %0) ret void } ; CHECK: if.then ; CHECK: tail call ptr @llvm.objc.retain ; CHECK: %Y.0 = phi ; CHECK-NEXT: tail call void @llvm.objc.release ; CHECK-NEXT: tail call void @llvm.objc.release